Westinghouse Type KR Installation & Operating Instructions Manual page 91

Carrier relaying transmitter -receiver
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TYP E K R C AR R I E R S E T
TY P I CAL T RAN SI STO R DC M EASU R EM EN T S WITH R E F E R EN C E TO 8 -
Tran s i stor
Q- 1
Q- 2
Q-3
Q-4
Q-5
Q-6
1 29 VDC
5 1 VDC
Q-7
1 29 VDC
51 VDC
Q-8
Q- 9
Q- 1o t t
Q- 1 2 t t
Q- 1 5 t t
t E-Emitter; B-Base; C-Collector.
tt With resp ect to term F on printed board.
TABLE 2
Con di t i on A
Tx- B i ock ed
Rx-No Signal
( Vo l ts)
B
C
E t
t
t
0 . 38
20 . 0
20 . 0
1 . 8
7
7 . 2
6 . 2
8 . 0
2
2. 6
20. 0
20. 0
2 . 6
20 .0
20 . 0
1 10
1 29
1 10
5 1
3 2
3 2
70
68
1 29
1 . 0
0
5 1
6 . 2
8
2
7
7. 2
1 . 8
Condi tion B
Tx-B iock ed
Rx- W i th S i gnal
( Vo l ts)
E t
B t
C t
20. 0
20 . 0
0 . 4
7
7. 2
1 . 8
6 . 2
8
2 . 0
20 . 0
20 . 0
2 . 8
20 . 0
20 . 0
2. 8
1 15
1 14
1 29
3 2
3 2
5 1
80
86
78
7 . 0
1 . 4
2. 2
6 . 2
8
2
7. 2
1 . 8
7
Con d i tion C
T x-Unbl ocked
Rx-No Si gnal
( Vo l ts)
E t
C
Bt
t
6 . 2
8
2
1 . 8
7
7. 2
0 . 4
1 8
1 8
0 . 27
0. 20
50
0. 27
0 . 20
50
1 1

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